Noah was not nephilim, he just looked so different that his father was afraid he was. Continue reading that section. In Genesis, it says Yahweh chose Noah because he was perfect in his generations and that the rest of the flesh had been corrupted. However, something wrong appears to have gotten into the children of one of Noah’s sons, possibly through the wife’s lineage, and nephilim came from that. Noah was perfectly formed as a natural human. The study of nephilim unlocks the Bible for a ton of people, all the best to you.